A new analysis shows that global warming will reduce Antarctica's emperor penguin population by nearly 20% over the next 80 years as the sea ice on which they breed becomes less secure. »6/30/14 3:20pm 6/30/14 3:20pm

Penguins have evolved a really neat way of staying warm. To conserve energy, they form densely packed huddles with a triangular lattice structure. What's amazing is that these packs — which can include thousands of individuals — actually move. A recent physics study shows how it's done. »12/17/13 12:40pm 12/17/13 12:40pm

Good news for penguin-enthusiasts everywhere (that's all of us, right? Good... just checking): scientists studying emperor penguin populations in Antarctica have tallied almost 600,000 of the birds waddling around the icy continent. That's around twice as many as they were expecting to find — but what's really… »4/13/12 4:12pm 4/13/12 4:12pm